[A] dictionary

[B] soldier

[C] computer

[D] music

[E] supermarket

[F] street

[G] plane

People travel by it.

（）泡沫是以动植物蛋白的水溶液为基料，加入稳定剂、防腐剂和防冻剂等加工而成的.

A.合成

B.氟蛋白

C.蛋白